Combined sheath with a locking mechanism and knife



FIG. 1 is a front elevational view of a combined sheath with a locking mechanism and knife showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side view elevational thereof;

FIG. 7 is an upper right side perspective view thereof;

FIG. 8 is a front side elevational view of the knife alone, showing my new design, the rear side elevational view being a mirror image thereof;

FIG. 9 is a right side elevational view of the knife of FIG. 8; and,

FIG. 10 is a bottom plan view of a combined sheath with a locking mechanism and knife, similar to FIG. 3, but showing the knife partially inserted into the sheath. 

The ornamental design for a combined sheath with a locking mechanism and knife, as shown and described. 